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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <table border="1" cellspacing="0" cellpadding="5" align="center">
        <tr>
            <th rowspan="2">姓名</th>
            <th colspan="2">大一</th>
            <th colspan="2">大二</th>
        </tr>
        <tr>
            <th>高数</th>
            <th>英语</th>
            <th>C++</th>
            <th>Java</th>
        </tr>
        <tr>
            <td>张三</td>
            <td>88</td>
            <td>96</td>
            <td>87</td>
            <td>81</td>
        </tr>
        <tr>
            <td>李四</td>
            <td>89</td>
            <td>68</td>
            <td>77</td>
            <td>87</td>
        </tr>
    </table>
</body>
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